Related Openings
Bird - Hobbs gambit	f4, g5
Bird's Opening, Swiss gambit	f4, f5, e4, fxe4, Nc3, Nf6, g4
Bird - From gambit, Lipke Variation	f4, e5, fxe5, d6, exd6, Bxd6, Nf3, Nh6, d4
Bird - From gambit, Lasker Variation	f4, e5, fxe5, d6, exd6, Bxd6, Nf3, g5